144042764 has 24 divisors (see below), whose sum is σ = 260689968. Its totient is φ = 69600960.

The previous prime is 144042763. The next prime is 144042791. The reversal of 144042764 is 467240441.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 144042764.

It is not an unprimeable number, because it can be changed into a prime (144042761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9134 + ... + 19274.

It is an arithmetic number, because the mean of its divisors is an integer number (10862082).

Almost surely, 2^144042764 is an apocalyptic number.

It is an amenable number.

144042764 is a deficient number, since it is larger than the sum of its proper divisors (116647204).

144042764 is a wasteful number, since it uses less digits than its factorization.

144042764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10265 (or 10263 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 144042764 is about 12001.7817010642. The cubic root of 144042764 is about 524.2001595328.

The spelling of 144042764 in words is "one hundred forty-four million, forty-two thousand, seven hundred sixty-four".